@article{Yamazaki:2020zV, author = "Yamazaki, Takeshi and Namekawa, Yusuke", title = "{Two-pion scattering amplitude from Bethe-Salpeter wave function at the interaction boundary}", doi = "10.22323/1.363.0032", journal = "PoS", year = 2020, volume = "LATTICE2019", pages = "032" }